| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 144.91.64.53 | 3600s | vmi3483882.contaboserver.net | AS51167 | Contabo GmbH | 144.91.64.0/18 | 🇫🇷 France | Lauterbourg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081701 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-17 16:29:33 | 2812ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-17 22:32:07 | 657ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-05 23:22:59 | 1077ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 09:20:29 | 1282ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 02:23:49 | 1100ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-24 01:58:32 | 1198ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 23:03:56 | 685ms | 2 NS 1 A 0 MX | 🔒 Secure | View |